49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
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#ifndef _my_icp_h
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#define _my_icp_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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Values returned by index_cond_func_xxx functions.
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*/
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typedef enum icp_result {
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/** Index tuple doesn't satisfy the pushed index condition (the engine
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should discard the tuple and go to the next one) */
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ICP_NO_MATCH,
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/** Index tuple satisfies the pushed index condition (the engine should
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fetch and return the record) */
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ICP_MATCH,
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/** Index tuple is out of the range that we're scanning, e.g. if we're
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scanning "t.key BETWEEN 10 AND 20" and got a "t.key=21" tuple (the engine
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should stop scanning and return HA_ERR_END_OF_FILE right away). */
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ICP_OUT_OF_RANGE
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} ICP_RESULT;
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#ifdef __cplusplus
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}
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#endif
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#endif /* _my_icp_h */
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